Related Questions

Hollow shafts can be made as strong as solid shafts by making the twisting moments of both the shafts same. Shafts made by __________ have residual stresses.
A Forging
B Cold rolling
C Hot rolling
D Casting
In a marine flange coupling, the thickness of flange is taken as
A $$\frac{{\text{d}}}{2}$$
B $$\frac{{\text{d}}}{3}$$
C $$\frac{{3{\text{d}}}}{4}$$
D $$\frac{{\text{d}}}{4}$$
A flange coupling is used to connect two shafts
A Which are perfectly aligned
B Which are not in exact alignment
C Have lateral misalignment
D Whose axes intersect at a small angle
In a flange coupling, the bolts are subjected to
A Tensile stress
B Compressive stress
C Shear stress
D None of these
In a marine flange coupling, the pitch circle diameter of bolts is taken as
A 1.2 d
B 1.6 d
C 2 d
D 2.5 d
In a flange coupling, the flanges are coupled together by means of
A Bolts and nuts
B Studs
C Headless taper bolts
D None of these
In designing a flange coupling, the pitch circle diameter of bolts is taken as (where d = Diameter of the shaft)
A 2 d
B 3 d
C 4 d
D 5 d
It is required to connect two parallel shafts, the distance between whose axes is small and variable. The shafts are coupled by
A Universal joint
B Knuckle joint
C Oldham's coupling
D Flexible coupling
How many keys are available in the Numerical Key Pad of a standard Key-board ?
A 20
B 15
C 17
D 13
What is an encryption system that uses two keys: a public key that everyone can have and a private key for only the recipient?
A Encryption
B Public key encryption
C Intrusion‐detection software
D Security‐auditing software

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